Quote:
Originally Posted by kraftchick
Does anybody know if low voltage on an FICM would produce codes?
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Low voltage to the FICM would likely through a P0611 code and/or low circuit codes for the injectors.
Virtually every sensor on your truck will store a code if it malfunctions (though many of them will not set the check engine light). Using an Autozone code reader is an excerise in futility. Their equipment can only tell you what a check engine light is for. It doesn't read codes that are stored but don't set the light. If you truly have no codes then I doubt it is a sensor.
Have you checked your fuel pressure? If not, I would. There have been many issues with fuel pressure on these trucks and inadequate fuel pressure would certainly affect performance. It will also kill your injectors.
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2003
Toreador Red/
Arizona Beige CC, DRW, Lariat, FX4, 6.0 PSD, Torqshift, born early Feb. 03; AIC; Silverline turbo-back dual exhaust; 155cc injectors from Full Force Diesel (Casserly); SCT with tuning by Tony Wildman (Total Diesel Performance) & Innovative Diesel; ARP studs; Dfuser regulated return; AFE PG7; Fumoto valve; B&W hitch, Di-Pricol gauges; DIESELSITE Coolant filter; Timbrens; Rancho RSXs; Michelin XPS Traction's; a whole bunch of "bling"; Connex 4300hp; Pioneer DEH6100BT; JL Audio 275w amp driving a 12" sub; JL Audio 50wx4 amp driving the Alpine door and rear seat speakers. 380.3hp/786.7ft-lbs (on my tow tune!)
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